Uncharted 4 Characters' Fabric Material

Here some closeup details of the fabrics on main characters. Using 4k high-res capture.

For more details, I have given a talk at Siggraph 2016.
http://advances.realtimerendering.com/s2016/
My note is at the bottom of the page.

Using Disney Diffuse BRDF Model, added special cheap Sub-surface Scatter. We also added fabric micro details, small wrinkles and aging.
For Specular BRDF, we are using kajiya-kay model for silk fabric, and modified the fabric model from Ready at Dawn for cotton, wool, ext...

Models of the characters showing in the post are done by our talent Character team.
Real-time rendered in game.